3101221103331 has 16 divisors (see below), whose sum is σ = 4468770553856. Its totient is φ = 1901700131616.

The previous prime is 3101221103329. The next prime is 3101221103389. The reversal of 3101221103331 is 1333011221013.

It is a happy number.

3101221103331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3101221103331 - 2¹ = 3101221103329 is a prime.

It is a super-2 number, since 2×3101221103331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101221103298 and 3101221103307.

It is not an unprimeable number, because it can be changed into a prime (3101221103231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140480995 + ... + 140503068.

It is an arithmetic number, because the mean of its divisors is an integer number (279298159616).

Almost surely, 2^{3101221103331} is an apocalyptic number.

3101221103331 is a deficient number, since it is larger than the sum of its proper divisors (1367549450525).

3101221103331 is a wasteful number, since it uses less digits than its factorization.

3101221103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280984362.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3101221103331 its reverse (1333011221013), we get a palindrome (4434232324344).

The spelling of 3101221103331 in words is "three trillion, one hundred one billion, two hundred twenty-one million, one hundred three thousand, three hundred thirty-one".